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Coregonus suidteri 

Scope: Global & Europe
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Salmoniformes Salmonidae

Scientific Name: Coregonus suidteri Fatio, 1885
Taxonomic Notes: The above diagnosis is based on Lake Vierwaldstätter population. Populations from the smaller lakes apparently exhibit a greater variability and their identity requires confirmation. There have been a number of introductions and there are indications that several lakes are now inhabited by hybrid populations and that the original populations or species are extinct. This is probably the case of the original population of Lake Sempach; descriptions of material collected in the 19th century suggest that in fact it might have been a distinct species. Populations from small lakes have also been impacted by eutrophication.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Freyhof, J. & Kottelat, M.
Reviewer(s): Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)
Justification:
The species is native in Lakes Vierwaldstätter (abundant), Zug and Alpnach, where there are no known current or future threats. There is also no potential threat from introduced species due to the strict management of Swiss lakes.

Geographic Range [top]

Range Description:Switzerland: Lakes Vierwaldstätter, Zug, Alpnach, possibly in Sempach, Baldegg and Hallwil; introduced in Lakes Aegeri, possibly Lungern, Maggiore and Locarno (possibly has hybridised with other introduced species).
Countries occurrence:
Native:
Switzerland
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Very abundant in Vierwaldstätter. Status in other lakes unknown.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Habitat:
Lacustrine, feeds on benthic (spring) and pelagic prey (summer).

Biology:
Fast growing species. Spawns in November-December, along gravel to stone shores, in very shallow water. Feeds on crustaceans, insect larvae and molluscs. Survival of Lake Hallwil population depends on stocking as eutrophication makes the lake unsuitable for reproduction since 1960.
Systems:Freshwater

Threats [top]

Major Threat(s): No major threats known.

Conservation Actions [top]

Conservation Actions: No information.

Citation: Freyhof, J. & Kottelat, M. 2008. Coregonus suidteri. The IUCN Red List of Threatened Species 2008: e.T135578A4150867. . Downloaded on 16 October 2018.
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